Specifications include, but are not limited to: Dimensions (W x D x H): 13.08 x 5.89 x 25.83 cm (5.15 x 2.32 x 10.17 in.) Enclosure rating: IP64 with caps installed for the meter probe connector ports or with the probes connected to the instrument Weight: 1.2 kg (2.7 lb) or not to exceed 1.36kg Power requirements (internal): Lithium ion rechargeable battery Power requirements (external): 100V–240 VAC, 50/60Hz input, 12V at 3A output External power supply connection: 2.5 mm Jack Battery Requirements: Rechargeable Lithium-Ion battery pack Operating temperature: 5 to 50 °C (41 to 122 °F), maximum 85% relative humidity (noncondensing) Storage temperature: -20 to 60 °C (-4 to 140 °F), maximum 85% relative humidity (noncondensing) Interface: Mini USB port 5-pin input connector: Two M12 connectors for IntelliCal™ probes Lamp Type: Light Emitting Diode (LED).